<%--
  Created by IntelliJ IDEA.
  User: XBB
  Date: 2021/3/2
  Time: 10:42
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<input type="button" onclick="btnClick()" value="点击">
<script src="/car/static/js/jquery-3.3.1.min.js"></script>
<script>
    function btnClick() {
        $.post("${pageContext.request.contextPath}/err/indexJson",function (r) {
            alert(r.msg)
        })
    }
</script>
</body>
</html>
